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我正在尝试在 R 中下载包“Seurat”，该包已安装，现在它在我的包列表中。

** testing if installed package keeps a record of temporary installation path
* DONE (patchwork)

The downloaded source packages are in
    ‘C:\Users\parnian\AppData\Local\Temp\RtmpAVgSd8\downloaded_packages’

但是当我尝试调用它 (library(Seurat)) 时，我收到以下错误：

> library(Seurat)
Error: package or namespace load failed for ‘Seurat’:
 object ‘wrap_plots’ is not exported by 'namespace:patchwork'

我阅读了类似的问题并手动安装了“patchwork”：

 > install.packages("patchwork")
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:

https://cran.rstudio.com/bin/windows/Rtools/
Installing package into ‘C:/Users/parnian/Documents/R/win-library/4.0’
(as ‘lib’ is unspecified)

R 还告诉我安装我拥有的 Rtools，但是当我遵循以下命令时：

> writeLines('PATH="${RTOOLS40_HOME}\\usr\\bin;${PATH}"', con = "~/.Renviron")

但是当我想验证是否make可以找到（Sys.which("make")）时，我得到了这个：

> Sys.which("make")
make 
  ""

此外，Seurat 的下载包保存在我的计算机中甚至不存在的位置！这怎么可能？我怎样才能解决这个问题？我为路径写的地址有问题吗？谢谢

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